US2821416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Housing-forming clamp for bell and spigot pipes of the molded joint type
Assignee: Individual
•
Filing: 1954-06-10
•
Granted: 1958-01-28
•
Expires: 1974-06-10
Abstract
No abstract record available.
Inventors
- 👤 Robert M Soehnlen
- 👤 Alters Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:34
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/16; F16L55/168; F16L55/178
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US365425A
Cited
US1242380A
Cited
US1834102A
Cited
GB282265A
Cited
CH166296A
Cited
US1978453A
Cited
FR1046191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |